Asphalts and allied substences : their oceurrence, modes of production uses in the arts and methods of testing /

Abraham, Herbert J.,

Asphalts and allied substences : their oceurrence, modes of production uses in the arts and methods of testing / by Herbert Abraham. - 2nd ed. - New York : D. Van Nortrand Comp., 1920. - XXVI, 608 p. ; 26 cm.